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Join Date: Nov 2007
Posts: 912
Can a temp control unit be fixed?

I have an intermittent full heat situation. Clips are good. All vacuum lines in place. Clark's says if problem is intermittent, it's likely the control unit.

Before I buy a new used one, is there a fix that anyone has accomplished ?

'86 Turbo

Old 06-16-2013, 07:53 AM
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944 addict
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Join Date: Sep 2010
Location: Orlando area
Posts: 2,682
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the insides of the controller is all circuit boards. I'd recommend checkiing ebay for a replacment. I've seen several but expect to pay some bucks for a complete, workable one. You also need to make sure it's compatible. It is possible to get one that has switches that don't work and yet the insides are ok. If you have high level electrical soldering skills, it's possible to cannibalize and make a complete unit by buying a "parts" unit.
3 944's, 2 Boxsters and one Caman S, and now one 951 turbo. Really miss the Cayman.

Some people try to turn back their "odometers." Not me. I want people to know 'why' I look this way. I've traveled a long way and some of the roads weren't paved.
Old 06-16-2013, 08:34 AM
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Proprietoristicly Refined
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Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,831
kdjones2000 did an excellent DIY:

Fixing up the climate control head


1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo)
Old 06-16-2013, 10:56 AM
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